Data Catalog

• City

  Percent Positive Calculation Change for COVID-19 Cases, Tests, and Deaths by ZIP Code - 5/29/2020

  City of Chicago —

  Announcement of Percent Positive Calculation Change for COVID-19 Cases, Tests, and Deaths by ZIP Code data change.
• City

  Fix: Trip Counts in TNP Drivers Dataset - 7/29/2025

  City of Chicago —

  Corrected trip counts per driver.
• City

  Wastewater Surveillance Datasets - 3/7/2025

  City of Chicago —

  Improvement to wastewater surveillance datasets
• City

  Traffic Crash Datasets ID Change - 2/11/2020

  City of Chicago —

  Announcement of Traffic Crash data change.

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